diff --git a/syntax/purescript.vim b/syntax/purescript.vim
index b01580c..c353596 100644
--- a/syntax/purescript.vim
+++ b/syntax/purescript.vim
@@ -158,7 +158,7 @@ syn region purescriptString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@Spell
 syn region purescriptMultilineString start=+'"'+ end=+'"'+ fold contains=@Spell
 
 " Comment
-syn match purescriptLineComment "---*\([^-!#$%&\*\+./<=>\?@\\^|~].*\)\?$" contains=purescriptCommentTodo,@Spell
+syn match purescriptLineComment "---*\([^-!#$%&\*\+./<=>\?@\\^~].*\)\?$" contains=purescriptCommentTodo,@Spell
 syn region purescriptBlockComment start="{-" end="-}" fold
 	\ contains=purescriptBlockComment,@Spell
 syn cluster purescriptComment contains=purescriptLineComment,purescriptBlockComment,@Spell